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/*
* Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "JSDOMBuiltinConstructorBase.h"
#include "JSDOMExceptionHandling.h"
#include "JSDOMWrapperCache.h"
namespace WebCore {
template<typename JSClass> class JSDOMBuiltinConstructor : public JSDOMBuiltinConstructorBase {
public:
using Base = JSDOMBuiltinConstructorBase;
static JSDOMBuiltinConstructor* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);
DECLARE_INFO;
// Usually defined for each specialization class.
static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);
private:
JSDOMBuiltinConstructor(JSC::Structure* structure, JSDOMGlobalObject& globalObject)
: Base(structure, globalObject)
{
}
void finishCreation(JSC::VM&, JSDOMGlobalObject&);
static JSC::ConstructType getConstructData(JSC::JSCell*, JSC::ConstructData&);
static JSC::EncodedJSValue JSC_HOST_CALL construct(JSC::ExecState*);
JSC::EncodedJSValue callConstructor(JSC::ExecState&, JSC::JSObject&);
JSC::EncodedJSValue callConstructor(JSC::ExecState&, JSC::JSObject*);
// Usually defined for each specialization class.
void initializeProperties(JSC::VM&, JSDOMGlobalObject&) { }
// Must be defined for each specialization class.
JSC::FunctionExecutable* initializeExecutable(JSC::VM&);
};
template<typename JSClass> inline JSDOMBuiltinConstructor<JSClass>* JSDOMBuiltinConstructor<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
{
JSDOMBuiltinConstructor* constructor = new (NotNull, JSC::allocateCell<JSDOMBuiltinConstructor>(vm.heap)) JSDOMBuiltinConstructor(structure, globalObject);
constructor->finishCreation(vm, globalObject);
return constructor;
}
template<typename JSClass> inline JSC::Structure* JSDOMBuiltinConstructor<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
{
return JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
}
template<typename JSClass> inline void JSDOMBuiltinConstructor<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
{
Base::finishCreation(vm);
ASSERT(inherits(vm, info()));
setInitializeFunction(vm, *JSC::JSFunction::create(vm, initializeExecutable(vm), &globalObject));
initializeProperties(vm, globalObject);
}
template<typename JSClass> inline JSC::EncodedJSValue JSDOMBuiltinConstructor<JSClass>::callConstructor(JSC::ExecState& state, JSC::JSObject& object)
{
Base::callFunctionWithCurrentArguments(state, object, *initializeFunction());
return JSC::JSValue::encode(&object);
}
template<typename JSClass> inline JSC::EncodedJSValue JSDOMBuiltinConstructor<JSClass>::callConstructor(JSC::ExecState& state, JSC::JSObject* object)
{
JSC::VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (!object)
return throwConstructorScriptExecutionContextUnavailableError(state, scope, info()->className);
return callConstructor(state, *object);
}
template<typename JSClass> inline
typename std::enable_if<JSDOMObjectInspector<JSClass>::isSimpleWrapper, JSC::JSObject&>::type createJSObject(JSDOMBuiltinConstructor<JSClass>& constructor)
{
auto& globalObject = *constructor.globalObject();
return *JSClass::create(getDOMStructure<JSClass>(globalObject.vm(), globalObject), &globalObject, JSClass::DOMWrapped::create());
}
template<typename JSClass> inline
typename std::enable_if<JSDOMObjectInspector<JSClass>::isBuiltin, JSC::JSObject&>::type createJSObject(JSDOMBuiltinConstructor<JSClass>& constructor)
{
auto& globalObject = *constructor.globalObject();
return *JSClass::create(getDOMStructure<JSClass>(globalObject.vm(), globalObject), &globalObject);
}
template<typename JSClass> inline
typename std::enable_if<JSDOMObjectInspector<JSClass>::isComplexWrapper, JSC::JSObject*>::type createJSObject(JSDOMBuiltinConstructor<JSClass>& constructor)
{
ScriptExecutionContext* context = constructor.scriptExecutionContext();
if (!context)
return nullptr;
auto& globalObject = *constructor.globalObject();
return JSClass::create(getDOMStructure<JSClass>(globalObject.vm(), globalObject), &globalObject, JSClass::DOMWrapped::create(*context));
}
template<typename JSClass> inline JSC::EncodedJSValue JSC_HOST_CALL JSDOMBuiltinConstructor<JSClass>::construct(JSC::ExecState* state)
{
ASSERT(state);
auto* castedThis = JSC::jsCast<JSDOMBuiltinConstructor*>(state->jsCallee());
return castedThis->callConstructor(*state, createJSObject(*castedThis));
}
template<typename JSClass> inline JSC::ConstructType JSDOMBuiltinConstructor<JSClass>::getConstructData(JSC::JSCell*, JSC::ConstructData& constructData)
{
constructData.native.function = construct;
return JSC::ConstructType::Host;
}
} // namespace WebCore